Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366199 | Gate valve | — | 1994-11-22 |
| 4353388 | Butterfly valve | Susumu Takeda, Masatoshi Nakai | 1982-10-12 |
MI
Mitsunori Isoyama
Overall (All Time): #2,298,080 of 4,157,543Top 60%
2
Patents All Time